Thorn Lieutenant

Whenever Thorn Lieutenant becomes the target of a spell or ability an opponent controls, create a 1/1 green Elf Warrior creature token.
{5}{G}: Thorn Lieutenant gets +4/+4 until end of turn.

On Serra's Wings

Enchant creature
Enchanted creature is legendary, gets +1/+1, and has flying, vigilance, and lifelink.

Oakenform

Enchant creature
Enchanted creature gets +3/+3.

Knightly Valor

Enchant creature
When Knightly Valor enters, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)
Enchanted creature gets +2/+2 and has vigilance.

Druid of Horns

Whenever you cast an Aura spell that targets Druid of Horns, create a 3/3 green Beast creature token.

History of Benalia

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a 2/2 white Knight creature token with vigilance.
III — Knights you control get +2/+1 until end of turn.

Plains

Forest

Sunpetal Grove

Sunpetal Grove enters tapped unless you control a Forest or a Plains.
{T}: Add {G} or {W}.

Danitha Capashen, Paragon

First strike, vigilance, lifelink
Aura and Equipment spells you cast cost {1} less to cast.

Hieromancer's Cage

When Hieromancer's Cage enters, exile target nonland permanent an opponent controls until Hieromancer's Cage leaves the battlefield.

Knight's Pledge

Enchant creature
Enchanted creature gets +2/+2.

Greenwood Sentinel

Vigilance (Attacking doesn't cause this creature to tap.)

Satyr Enchanter

Whenever you cast an enchantment spell, draw a card.

Novice Knight

Defender (This creature can't attack.)
As long as Novice Knight is enchanted or equipped, it can attack as though it didn't have defender.